Malwarebytes consumer product roundup: The latest

At Malwarebytes, we’re constantly evolving to protect our customers. These days, our products don’t just protect you from malware, we protect your identity, defend you from ads, safeguard your social media, and keep your mobile safe too. Here are the innovations we’ve made in our products recentl...

kernel: Intel firmware update for Incorrect default permissions in some memory controller configurations

A flaw was found in the Linux kernel. Some IntelR XeonR processors with Intel® Software Guard Extensions SGX may allow privilege escalation. This issue may allow a privileged user to enable privilege escalation via local access...

kernel: tipc: fix a null-ptr-deref in tipc_topsrv_accept

In the Linux kernel, the following vulnerability has been resolved: tipc: fix a null-ptr-deref in tipctopsrvaccept syzbot found a crash in tipctopsrvaccept: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f Workqueue: tipcrcv tipctopsrvaccept RIP: 0010:kernelaccept+0x22d/0x350...

YouTube shows ads for ad blocker, financial scams

After performing local experiments for a few months, YouTube recently expanded its effort to block ad blockers. The move was immediately unpopular with some users, and raised some questions in Europe about whether it was breaking privacy laws. In addition, there are some still some fundamental...

kernel: KVM: SEV-ES / SEV-SNP VMGEXIT double fetch vulnerability

A flaw was found in KVM AMD Secure Encrypted Virtualization SEV in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the VMGEXIT handler recursively. If an attacker manages to call the handler multiple time...

Important: kernel

Issue Overview: A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests. CVE-2023-34324 An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic...

YouTube launches “global effort” to block ad blockers

The ongoing struggle between YouTube and ad blockers is turning users into the victims. YouTube has gone all out in its fight against the use of add-ons, extensions and programs that prevent it from serving ads to viewers around the world. It started out as just a small experiment, but it looks...

CVE-2023-26456

Users were able to set an arbitrary "product name" for OX Guard. The chosen value was not sufficiently sanitized before processing it at the user interface, allowing for indirect cross-site scripting attacks. Accounts that were temporarily taken over could be configured to trigger persistent code...

CVE-2023-26456

Users were able to set an arbitrary "product name" for OX Guard. The chosen value was not sufficiently sanitized before processing it at the user interface, allowing for indirect cross-site scripting attacks. Accounts that were temporarily taken over could be configured to trigger persistent code...

Cross site scripting

Users were able to set an arbitrary "product name" for OX Guard. The chosen value was not sufficiently sanitized before processing it at the user interface, allowing for indirect cross-site scripting attacks. Accounts that were temporarily taken over could be configured to trigger persistent code...

CVE-2023-26456

CVE-2023-26456 affects Open-Xchange App Suite/OX Guard. The vulnerability stems from allowing arbitrary input for the product name, which was not sufficiently sanitized when processed in the UI, enabling indirect cross-site scripting and, in scenarios where accounts were temporarily taken over, p...

CVE-2023-26456

Users were able to set an arbitrary "product name" for OX Guard. The chosen value was not sufficiently sanitized before processing it at the user interface, allowing for indirect cross-site scripting attacks. Accounts that were temporarily taken over could be configured to trigger persistent code...

CVE-2023-26456

Users were able to set an arbitrary "product name" for OX Guard. The chosen value was not sufficiently sanitized before processing it at the user interface, allowing for indirect cross-site scripting attacks. Accounts that were temporarily taken over could be configured to trigger persistent code...

PT-2023-20649 · Ox Guard · Ox Guard

Name of the Vulnerable Software and Affected Versions: OX Guard affected versions not specified Description: The issue allows users to set an arbitrary "product name" for OX Guard, which was not sufficiently sanitized before processing it at the user interface. This enabled indirect cross-site...

Open-Xchange App Suite Cross-Site Scripting Vulnerability

Open-Xchange App Suite is an email and productivity suite client software from Open-Xchange, a German company. A security vulnerability exists in Open-Xchange App Suite that originates from the ability to set an arbitrary "product name" for OX Guard, which could lead to a cross-site scripting...

Medium: kernel

Issue Overview: A flaw in the kernel Xen event handler can cause a deadlock with Xen console handling in unprivileged Xen guests. CVE-2023-34324 In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to uninitialized BOS descriptors CVE-2023-52477 In...

Iranian Group Tortoiseshell Launches New Wave of IMAPLoader Malware Attacks

The Iranian threat actor known as Tortoiseshell has been attributed to a new wave of watering hole attacks that are designed to deploy a malware dubbed IMAPLoader. "IMAPLoader is a .NET malware that has the ability to fingerprint victim systems using native Windows utilities and acts as a...

CLSA-2023-1698247974 Fix of 6 CVEs

CVE-2023-42752 // CVE-url: https://ubuntu.com/security/CVE-2023-42752 - igmp: limit igmpv3newpack packet size to IPMAXMTU CVE-2023-4623 // CVE-url: https://ubuntu.com/security/CVE-2023-4623 - net/sched: schhfsc: Ensure inner classes have fsc curve CVE-2023-34319 // CVE-url:...

Executor can effectively bypass _checkSubAccountSecurityConfig by adding a new Module

Lines of code Vulnerability details Impact An Executor is an account authorized to perform module execution on a subAccount through the ExecutorPlugin. Gnosis Safe Modules manage to bypass the entire guard logic Safe 1.5 has that new guard hook, but there's also no hook logic done in Brahma. For...

attacker can perform malicious transactions in the safe because reentrancy is not implemented in the execTransaction() and checkAfterExecution() function

Lines of code Vulnerability details Impact Due to reentrancy, it's possible to set a guard or threshold during the execTransaction and execute another malicious transaction which resets the guard and threshold Proof of Concept to prevent reentrancy during the safe's execTransaction function code...